Method for selective detection of liquid phase hydrocarbons
US5256574A · kind A · utility
32Cited by
7References
1Claims
0Family size
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Key dates
| Filing date | Apr 10, 1992 |
| Grant date | Oct 26, 1993 |
| Priority date | — |
| Expiry date | Apr 10, 2012 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T436/218
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A method for the selective detection of liquid phase hydrocarbons in the C.sub.6 -C.sub.16 range includes a matrix comprising a silicone polymer having dispersed therein a conductive carbon black filler of high structure and comprises signaling the presence of hydrocarbon liquid phase when the electrical resistivity of the sensor increases to a preselected threshold level intermediate the vapor and liquid phase resistivities.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.